Home / 4,243.76-6,367.32-1,647.44

Finding the Fourth Proportional to 4,243.76, 6,367.32 and 1,647.44

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Solution

The fourth proportional to 4,243.76, 6,367.32 and 1,647.44 is: 2,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.76 : 6,367.32 = 1,647.44 : x
  2. Step 2: Convert to fraction form
    4,243.76/6,367.32 = 1,647.44/x
  3. Step 3: Cross multiply
    4,243.76x = 6,367.32 × 1,647.44
  4. Step 4: Simplify right side
    4,243.76x = 10,489,777.66
  5. Step 5: Solve for x
    x = 10,489,777.66/4,243.76
  6. Step 6: Final answer
    x = 2,471.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.